diff --git a/internal/push/logic/push_to_client.go b/internal/push/logic/push_to_client.go
index 21e8e3023..6e9b8787b 100644
--- a/internal/push/logic/push_to_client.go
+++ b/internal/push/logic/push_to_client.go
@@ -17,6 +17,7 @@ import (
 	"Open_IM/pkg/utils"
 	"context"
 	"encoding/json"
+	"google.golang.org/grpc"
 	"strings"
 )
 
@@ -32,11 +33,16 @@ type AtContent struct {
 	IsAtSelf   bool     `json:"isAtSelf"`
 }
 
+var grpcCons []*grpc.ClientConn
+
 func MsgToUser(pushMsg *pbPush.PushMsgReq) {
 	var wsResult []*pbRelay.SingleMsgToUser
 	isOfflinePush := utils.GetSwitchFromOptions(pushMsg.MsgData.Options, constant.IsOfflinePush)
 	log.Debug(pushMsg.OperationID, "Get msg from msg_transfer And push msg", pushMsg.String())
-	grpcCons := getcdv3.GetConn4Unique(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImOnlineMessageRelayName)
+	if len(grpcCons) == 0 {
+		log.NewWarn(pushMsg.OperationID, "first GetConn4Unique ")
+		grpcCons = getcdv3.GetConn4Unique(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImOnlineMessageRelayName)
+	}
 	//Online push message
 	log.Debug("test", pushMsg.OperationID, "len  grpc", len(grpcCons), "data", pushMsg.String())
 	for _, v := range grpcCons {
diff --git a/test/mongo/cmd/main.go b/test/mongo/cmd/main.go
new file mode 100644
index 000000000..2a8d41523
--- /dev/null
+++ b/test/mongo/cmd/main.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"Open_IM/pkg/common/config"
+	mongo2 "Open_IM/test/mongo"
+	"context"
+	"flag"
+	"fmt"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+func init() {
+	uri := "mongodb://sample.host:27017/?maxPoolSize=20&w=majority"
+	if config.Config.Mongo.DBUri != "" {
+		// example: mongodb://$user:$password@mongo1.mongo:27017,mongo2.mongo:27017,mongo3.mongo:27017/$DBDatabase/?replicaSet=rs0&readPreference=secondary&authSource=admin&maxPoolSize=$DBMaxPoolSize
+		uri = config.Config.Mongo.DBUri
+	} else {
+		if config.Config.Mongo.DBPassword != "" && config.Config.Mongo.DBUserName != "" {
+			uri = fmt.Sprintf("mongodb://%s:%s@%s/%s?maxPoolSize=%d", config.Config.Mongo.DBUserName, config.Config.Mongo.DBPassword, config.Config.Mongo.DBAddress[0],
+				config.Config.Mongo.DBDatabase, config.Config.Mongo.DBMaxPoolSize)
+		} else {
+			uri = fmt.Sprintf("mongodb://%s/%s/?maxPoolSize=%d",
+				config.Config.Mongo.DBAddress[0], config.Config.Mongo.DBDatabase,
+				config.Config.Mongo.DBMaxPoolSize)
+		}
+	}
+	var err error
+	mongo2.Client, err = mongo.Connect(context.TODO(), options.Client().ApplyURI(uri))
+	if err != nil {
+		panic(err)
+	}
+	err = mongo2.Client.Ping(context.TODO(), nil)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("Connected to MongoDB!")
+}
+
+func main() {
+	userID := flag.String("userID", "", "userID")
+	flag.Parse()
+	fmt.Println("userID:", *userID)
+	mongo2.GetUserAllChat(*userID)
+}
diff --git a/test/mongo/mongo_utils.go b/test/mongo/mongo_utils.go
new file mode 100644
index 000000000..748cfc9fb
--- /dev/null
+++ b/test/mongo/mongo_utils.go
@@ -0,0 +1,42 @@
+package mongo
+
+import (
+	"Open_IM/pkg/common/config"
+	"Open_IM/pkg/common/db"
+	server_api_params "Open_IM/pkg/proto/sdk_ws"
+	"context"
+	"fmt"
+	"github.com/golang/protobuf/proto"
+	"go.mongodb.org/mongo-driver/mongo"
+	"gopkg.in/mgo.v2/bson"
+	"time"
+)
+
+var (
+	Client *mongo.Client
+)
+
+func GetUserAllChat(uid string) {
+	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
+	collection := Client.Database(config.Config.Mongo.DBDatabase).Collection("msg")
+	var userChatList []db.UserChat
+	result, err := collection.Find(context.Background(), bson.M{"uid": bson.M{"$regex": uid}})
+	if err != nil {
+		fmt.Println("find error", err.Error())
+		return
+	}
+	if err := result.All(ctx, &userChatList); err != nil {
+		fmt.Println(err.Error())
+	}
+	for _, userChat := range userChatList {
+		for _, msg := range userChat.Msg {
+			msgData := &server_api_params.MsgData{}
+			err := proto.Unmarshal(msg.Msg, msgData)
+			if err != nil {
+				fmt.Println(err.Error(), msg)
+				continue
+			}
+			fmt.Println("sendID: ", msgData.SendID, "recvID: ", msgData.RecvID, "seq:", msgData.Seq, "status:", msgData.Status)
+		}
+	}
+}